{"nhtsa_id":637353,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-22","date":"2002-08-01","document_id":"010802","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT A STRONG SULFUR ODOR OR A VERY OFFENSIVE TYPE ODOR COMING FROM THE COOLING SYSTEM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637353","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_chevrolet_impala","2002_chevrolet_impala"]},{"make":"CHEVROLET","model":"MONTE CARLO","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_chevrolet_monte-carlo","2002_chevrolet_monte-carlo"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_pontiac_grand-am","2002_pontiac_grand-am"]},{"make":"PONTIAC","model":"GRAND PRIX","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_pontiac_grand-prix","2002_pontiac_grand-prix"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}